<style type="text/css">
body { background-image: url();}
.error-template {padding: 40px 15px;text-align: center;}
.error-actions {margin-top:15px;margin-bottom:15px;}
.error-actions .btn { margin-right:10px; }
</style>

<div class="container">
  <div class="row">
    <div class="col-md-12">
      <div class="error-template">
        <h1>
          Oops!</h1>
        <h2>
          500 Not Found</h2>
        <div class="error-details">
          Sorry, an error has occured, Requested page not found!
        </div>
        <div class="error-actions">
          <a href="/" class="btn btn-primary btn-lg"><span class="glyphicon glyphicon-home"></span>
              主页 </a>
        </div>
      </div>
    </div>
  </div>
</div>
